/Engine/Source/Runtime/SignalProcessing/Public/DSP/MidiNoteQuantizer.h
Any additions to this Enum should also be added to MetasoundMidiNoteQuantizerNode.cpp in the "#pragma region Metasound Enums" area to show up as options in that Node
namespace Audio { namespace EMusicalScale { enum Scale { Major, Minor_Dorian, Phrygian, Lydian, Dominant7th_Mixolydian, NaturalMinor_Aeolian, HalfDiminished_Locrian, Chromatic, WholeTone, DiminishedWholeTone, MajorPentatonic, MinorPentatonic, Blues, Bebop_Major, Bebop_Minor, Bebop_MinorNumber2, Bebop_Dominant, HarmonicMajor, HarmonicMinor, MelodicMinor, SixthModeOfHarmonicMinor, LydianAugmented, LydianDominant, Augmented, Diminished, Diminished_BeginWithHalfStep, Diminished_BeginWithWholeStep, HalfDiminished_LocrianNumber2, Spanish_or_Jewish, Hindu, Count, } } }